Home / 1,325,316.62-1,828,888.91-809,932.75

Finding the Fourth Proportional to 1,325,316.62, 1,828,888.91 and 809,932.75

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Solution

The fourth proportional to 1,325,316.62, 1,828,888.91 and 809,932.75 is: 1,117,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,316.62 : 1,828,888.91 = 809,932.75 : x
  2. Step 2: Convert to fraction form
    1,325,316.62/1,828,888.91 = 809,932.75/x
  3. Step 3: Cross multiply
    1,325,316.62x = 1,828,888.91 × 809,932.75
  4. Step 4: Simplify right side
    1,325,316.62x = 1,481,277,024,320.80
  5. Step 5: Solve for x
    x = 1,481,277,024,320.80/1,325,316.62
  6. Step 6: Final answer
    x = 1,117,677.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.